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gulaghasi [49]
2 years ago
8

Approximately what is the smallest detail observable with a microscope that uses ultraviolet light of frequency 1.72 x 1015 hz?

provide the solution: __________ x 10-7 m
Physics
1 answer:
Afina-wow [57]2 years ago
8 0

The solution is λ=2.5×10^-7 m

Frequency, speed of light, and wavelength are related by the formula

c = fλ ⇒ λ =c/f

Where c = speed of light ,f = frequency, λ= wavelength

Plug in the value of c = 3 × 10^8 m/s and f = 1.2 × 10^15 Hz in the above equation and solve for the value of λ

λ = 3 × 10^8 ms^-1/1.2 × 10^15 Hz

λ=2.5×10^-7 m

The number of waves that pass a fixed point in unit time; also, the number of cycles or vibrations undergone during one unit of time by a body in periodic motion.

learn more about frequency here:

brainly.com/question/5102661

#SPJ4

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How does a wind turbine transform mechanical energy into electrical energy?
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Answer:

"A turbine takes the kinetic energy of a moving fluid, air in this case, and converts it to a rotary motion. As wind moves past the blades of a wind turbine, it moves or rotates the blades. These blades turn a generator."

4 0
3 years ago
Calculate the AMA of an access ramp if it takes 255 N of force to push a person in a wheelchair having a combined weight of 764
Andreyy89
Actual Mechanical Advantage(AMA) = Weight / Force
Here, Weight = 764 N
Force = 255 N

Substitute the values in to the expression, 
AMA = 764 / 255
AMA = 2.99

After rounding-off to the nearest tenth value, it would be 3

Finally, option C would be your answer.

Hope this helps!
7 0
3 years ago
What is a wave coming into a barrier
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A wave looses its power as it comes to shore because it gets less deeper every second it gets closer to shore
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3 years ago
What is direct result of having greenhouse gases in the atmosphere?​
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4 0
4 years ago
A container of gas molecules is at a pressure of 2 atm and has amass density of 1.7 grams per liter. All of the molecules in the
Tpy6a [65]

Answer:

The speed of nitrogen molecule is 1.87 m/s.

Explanation:

Given that,

Pressure = 2 atm

Density = 1.7 grams/liter

Atomic weight = 28 grams

We need to calculate the temperature

Using formula of idea gas

PV=nRT

P=\dfrac{WRT}{VM}

P=\dfrac{\rho RT}{M}

T=\dfrac{PM}{\rho R}

Put the value into the formula

T=\dfrac{2\times28}{1.7\times0.0821}

T=401.2\ K

We need to calculate the speed of nitrogen molecule

Using formula of RMS speed

V_{rms}=\sqrt{\dfrac{3RT}{M}}

V_{rms}=\sqrt{\dfrac{3\times0.0821\times401.2}{28}}

V_{rms}=1.87\ m/s

Hence, The speed of nitrogen molecule is 1.87 m/s.

5 0
3 years ago
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